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import { expect, jest, test } from '@jest/globals';
import Replicate, { ApiError, Prediction } from 'replicate';
import nock from 'nock';
import fetch from 'cross-fetch';
let client: Replicate;
const BASE_URL = 'https://api.replicate.com/v1';
nock.disableNetConnect();
describe('Replicate client', () => {
let unmatched: Object[] = [];
const handleNoMatch = (req: unknown, options: any, body: string) =>
unmatched.push({ req, options, body });
beforeEach(() => {
client = new Replicate({ auth: 'test-token' });
client.fetch = fetch;
unmatched = [];
nock.emitter.on("no match", handleNoMatch);
});
afterEach(() => {
nock.emitter.off("no match", handleNoMatch);
expect(unmatched).toStrictEqual([]);
nock.abortPendingRequests();
nock.cleanAll();
});
describe('constructor', () => {
test('Sets default baseUrl', () => {
expect(client.baseUrl).toBe('https://api.replicate.com/v1');
});
test('Sets custom baseUrl', () => {
const clientWithCustomBaseUrl = new Replicate({
baseUrl: 'https://example.com/',
auth: 'test-token',
});
expect(clientWithCustomBaseUrl.baseUrl).toBe('https://example.com/');
});
test('Sets custom userAgent', () => {
const clientWithCustomUserAgent = new Replicate({
userAgent: 'my-app/1.2.3',
auth: 'test-token',
});
expect(clientWithCustomUserAgent.userAgent).toBe('my-app/1.2.3');
});
test('Does not throw error if auth token is not provided', () => {
expect(() => {
// @ts-expect-error
new Replicate();
}).not.toThrow();
});
test('Does not throw error if blank auth token is provided', () => {
expect(() => {
new Replicate({ auth: "" });
}).not.toThrow();
});
});
describe('collections.list', () => {
test('Calls the correct API route', async () => {
nock(BASE_URL)
.get('/collections')
.reply(200, {
results: [
{
name: 'Super resolution',
slug: 'super-resolution',
description: 'Upscaling models that create high-quality images from low-quality images.',
},
{
name: 'Image classification',
slug: 'image-classification',
description: 'Models that classify images.',
},
],
next: null,
previous: null,
});
const collections = await client.collections.list();
expect(collections.results.length).toBe(2);
});
// Add more tests for error handling, edge cases, etc.
});
describe('collections.get', () => {
test('Calls the correct API route', async () => {
nock(BASE_URL).get('/collections/super-resolution').reply(200, {
name: 'Super resolution',
slug: 'super-resolution',
description: 'Upscaling models that create high-quality images from low-quality images.',
models: [],
});
const collection = await client.collections.get('super-resolution');
expect(collection.name).toBe('Super resolution');
});
// Add more tests for error handling, edge cases, etc.
});
describe('models.get', () => {
test('Calls the correct API route', async () => {
nock(BASE_URL).get('/models/replicate/hello-world').reply(200, {
url: 'https://replicate.com/replicate/hello-world',
owner: 'replicate',
name: 'hello-world',
description: 'A tiny model that says hello',
visibility: 'public',
github_url: 'https://github.com/replicate/cog-examples',
paper_url: null,
license_url: null,
run_count: 12345,
cover_image_url: '',
default_example: {},
latest_version: {},
});
await client.models.get('replicate', 'hello-world');
});
// Add more tests for error handling, edge cases, etc.
});
describe('predictions.create', () => {
test('Calls the correct API route with the correct payload', async () => {
nock(BASE_URL)
.post('/predictions')
.reply(200, {
id: 'ufawqhfynnddngldkgtslldrkq',
version:
'5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
urls: {
get: 'https://api.replicate.com/v1/predictions/ufawqhfynnddngldkgtslldrkq',
cancel:
'https://api.replicate.com/v1/predictions/ufawqhfynnddngldkgtslldrkq/cancel',
},
created_at: '2022-04-26T22:13:06.224088Z',
started_at: null,
completed_at: null,
status: 'starting',
input: {
text: 'Alice',
},
output: null,
error: null,
logs: null,
metrics: {},
});
const prediction = await client.predictions.create({
version:
'5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
input: {
text: 'Alice',
},
webhook: 'http://test.host/webhook',
webhook_events_filter: [ 'output', 'completed' ],
});
expect(prediction.id).toBe('ufawqhfynnddngldkgtslldrkq');
});
test('Passes stream parameter to API endpoint', async () => {
nock(BASE_URL)
.post('/predictions')
.reply(201, (_uri, body) => {
expect((body as any).stream).toBe(true);
return body
})
await client.predictions.create({
version:
'5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
input: {
prompt: 'Tell me a story',
},
stream: true
});
});
test('Throws an error if webhook URL is invalid', async () => {
await expect(async () => {
await client.predictions.create({
version: '5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
input: {
text: 'Alice',
},
webhook: 'invalid-url',
});
}).rejects.toThrow('Invalid webhook URL');
});
test('Throws an error with details failing response is JSON', async () => {
nock(BASE_URL)
.post('/predictions')
.reply(400, {
status: 400,
detail: "Invalid input",
}, { "Content-Type": "application/json" })
try {
expect.hasAssertions();
await client.predictions.create({
version: '5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
input: {
text: null,
},
});
} catch (error) {
expect((error as ApiError).response.status).toBe(400);
expect((error as ApiError).message).toContain("Invalid input")
}
})
test('Automatically retries on 429', async () => {
nock(BASE_URL)
.post('/predictions')
.reply(429, {
detail: "Too many requests",
}, { "Content-Type": "application/json", "Retry-After": "1" })
.post('/predictions')
.reply(201, {
id: 'ufawqhfynnddngldkgtslldrkq',
});
const prediction = await client.predictions.create({
version:
'5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
input: {
text: 'Alice',
},
});
expect(prediction.id).toBe('ufawqhfynnddngldkgtslldrkq');
});
test('Does not automatically retry on 500', async () => {
nock(BASE_URL)
.post('/predictions')
.reply(500, {
detail: "Internal server error",
}, { "Content-Type": "application/json" });
await expect(
client.predictions.create({
version:
'5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
input: {
text: 'Alice',
},
})
).rejects.toThrow(`Request to https://api.replicate.com/v1/predictions failed with status 500 Internal Server Error: {"detail":"Internal server error"}.`)
});
});
describe('predictions.get', () => {
test('Calls the correct API route with the correct payload', async () => {
nock(BASE_URL)
.get('/predictions/rrr4z55ocneqzikepnug6xezpe')
.reply(200, {
id: 'rrr4z55ocneqzikepnug6xezpe',
version:
'be04660a5b93ef2aff61e3668dedb4cbeb14941e62a3fd5998364a32d613e35e',
urls: {
get: 'https://api.replicate.com/v1/predictions/rrr4z55ocneqzikepnug6xezpe',
cancel:
'https://api.replicate.com/v1/predictions/rrr4z55ocneqzikepnug6xezpe/cancel',
},
created_at: '2022-09-13T22:54:18.578761Z',
started_at: '2022-09-13T22:54:19.438525Z',
completed_at: '2022-09-13T22:54:23.236610Z',
source: 'api',
status: 'succeeded',
input: {
prompt: 'oak tree with boletus growing on its branches',
},
output: [
'https://replicate.com/api/models/stability-ai/stable-diffusion/files/9c3b6fe4-2d37-4571-a17a-83951b1cb120/out-0.png',
],
error: null,
logs: 'Using seed: 36941...',
metrics: {
predict_time: 4.484541,
},
});
const prediction = await client.predictions.get(
'rrr4z55ocneqzikepnug6xezpe'
);
expect(prediction.id).toBe('rrr4z55ocneqzikepnug6xezpe');
});
test('Automatically retries on 429', async () => {
nock(BASE_URL)
.get('/predictions/rrr4z55ocneqzikepnug6xezpe')
.reply(429, {
detail: "Too many requests",
}, { "Content-Type": "application/json", "Retry-After": "1" })
.get('/predictions/rrr4z55ocneqzikepnug6xezpe')
.reply(200, {
id: 'rrr4z55ocneqzikepnug6xezpe',
});
const prediction = await client.predictions.get(
'rrr4z55ocneqzikepnug6xezpe'
);
expect(prediction.id).toBe('rrr4z55ocneqzikepnug6xezpe');
});
test('Automatically retries on 500', async () => {
nock(BASE_URL)
.get('/predictions/rrr4z55ocneqzikepnug6xezpe')
.reply(500, {
detail: "Internal server error",
}, { "Content-Type": "application/json" })
.get('/predictions/rrr4z55ocneqzikepnug6xezpe')
.reply(200, {
id: 'rrr4z55ocneqzikepnug6xezpe',
});
const prediction = await client.predictions.get(
'rrr4z55ocneqzikepnug6xezpe'
);
expect(prediction.id).toBe('rrr4z55ocneqzikepnug6xezpe');
});
});
describe('predictions.cancel', () => {
test('Calls the correct API route with the correct payload', async () => {
nock(BASE_URL)
.post('/predictions/ufawqhfynnddngldkgtslldrkq/cancel')
.reply(200, {
id: 'ufawqhfynnddngldkgtslldrkq',
version:
'5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
urls: {
get: 'https://api.replicate.com/v1/predictions/ufawqhfynnddngldkgtslldrkq',
cancel:
'https://api.replicate.com/v1/predictions/ufawqhfynnddngldkgtslldrkq/cancel',
},
created_at: '2022-04-26T22:13:06.224088Z',
started_at: '2022-04-26T22:13:06.224088Z',
completed_at: '2022-04-26T22:14:06.224088Z',
status: 'canceled',
input: {
text: 'Alice',
},
output: null,
error: null,
logs: null,
metrics: {},
});
const prediction = await client.predictions.cancel(
'ufawqhfynnddngldkgtslldrkq'
);
expect(prediction.status).toBe('canceled');
});
// Add more tests for error handling, edge cases, etc.
});
describe('predictions.list', () => {
test('Calls the correct API route with the correct payload', async () => {
nock(BASE_URL)
.get('/predictions')
.reply(200, {
next: 'https://api.replicate.com/v1/predictions?cursor=cD0yMDIyLTAxLTIxKzIzJTNBMTglM0EyNC41MzAzNTclMkIwMCUzQTAw',
previous: null,
results: [
{
id: 'jpzd7hm5gfcapbfyt4mqytarku',
version:
'b21cbe271e65c1718f2999b038c18b45e21e4fba961181fbfae9342fc53b9e05',
urls: {
get: 'https://api.replicate.com/v1/predictions/jpzd7hm5gfcapbfyt4mqytarku',
cancel:
'https://api.replicate.com/v1/predictions/jpzd7hm5gfcapbfyt4mqytarku/cancel',
},
created_at: '2022-04-26T20:00:40.658234Z',
started_at: '2022-04-26T20:00:84.583803Z',
completed_at: '2022-04-26T20:02:27.648305Z',
source: 'web',
status: 'succeeded',
},
],
});
const predictions = await client.predictions.list();
expect(predictions.results.length).toBe(1);
expect(predictions.results[ 0 ].id).toBe('jpzd7hm5gfcapbfyt4mqytarku');
});
test('Paginates results', async () => {
nock(BASE_URL)
.get('/predictions')
.reply(200, {
results: [ { id: 'ufawqhfynnddngldkgtslldrkq' } ],
next: 'https://api.replicate.com/v1/predictions?cursor=cD0yMDIyLTAxLTIxKzIzJTNBMTglM0EyNC41MzAzNTclMkIwMCUzQTAw',
})
.get(
'/predictions?cursor=cD0yMDIyLTAxLTIxKzIzJTNBMTglM0EyNC41MzAzNTclMkIwMCUzQTAw'
)
.reply(200, {
results: [ { id: 'rrr4z55ocneqzikepnug6xezpe' } ],
next: null,
});
const results: Prediction[] = [];
for await (const batch of client.paginate(client.predictions.list)) {
results.push(...batch);
}
expect(results).toEqual([
{ id: 'ufawqhfynnddngldkgtslldrkq' },
{ id: 'rrr4z55ocneqzikepnug6xezpe' },
]);
// Add more tests for error handling, edge cases, etc.
});
});
describe('trainings.create', () => {
test('Calls the correct API route with the correct payload', async () => {
nock(BASE_URL)
.post(
'/models/owner/model/versions/632231d0d49d34d5c4633bd838aee3d81d936e59a886fbf28524702003b4c532/trainings'
)
.reply(200, {
id: 'zz4ibbonubfz7carwiefibzgga',
version: '{version}',
status: 'starting',
input: {
text: '...',
},
output: null,
error: null,
logs: null,
started_at: null,
created_at: '2023-03-28T21:47:58.566434Z',
completed_at: null,
});
const training = await client.trainings.create(
'owner',
'model',
'632231d0d49d34d5c4633bd838aee3d81d936e59a886fbf28524702003b4c532',
{
destination: 'new_owner/new_model',
input: {
text: '...',
},
}
);
expect(training.id).toBe('zz4ibbonubfz7carwiefibzgga');
});
test('Throws an error if webhook is not a valid URL', async () => {
await expect(
client.trainings.create(
'owner',
'model',
'632231d0d49d34d5c4633bd838aee3d81d936e59a886fbf28524702003b4c532',
{
destination: 'new_owner/new_model',
input: {
text: '...',
},
webhook: 'invalid-url',
}
)
).rejects.toThrow('Invalid webhook URL');
});
// Add more tests for error handling, edge cases, etc.
});
describe('trainings.get', () => {
test('Calls the correct API route with the correct payload', async () => {
nock(BASE_URL)
.get('/trainings/zz4ibbonubfz7carwiefibzgga')
.reply(200, {
id: 'zz4ibbonubfz7carwiefibzgga',
version: '{version}',
status: 'succeeded',
input: {
data: '...',
param1: '...',
},
output: {
version: '...',
},
error: null,
logs: null,
webhook_completed: null,
started_at: null,
created_at: '2023-03-28T21:47:58.566434Z',
completed_at: null,
});
const training = await client.trainings.get('zz4ibbonubfz7carwiefibzgga');
expect(training.status).toBe('succeeded');
});
// Add more tests for error handling, edge cases, etc.
});
describe('trainings.cancel', () => {
test('Calls the correct API route with the correct payload', async () => {
nock(BASE_URL)
.post('/trainings/zz4ibbonubfz7carwiefibzgga/cancel')
.reply(200, {
id: 'zz4ibbonubfz7carwiefibzgga',
version: '{version}',
status: 'canceled',
input: {
data: '...',
param1: '...',
},
output: {
version: '...',
},
error: null,
logs: null,
webhook_completed: null,
started_at: null,
created_at: '2023-03-28T21:47:58.566434Z',
completed_at: null,
});
const training = await client.trainings.cancel(
'zz4ibbonubfz7carwiefibzgga'
);
expect(training.status).toBe('canceled');
});
// Add more tests for error handling, edge cases, etc.
});
describe('trainings.list', () => {
test('Calls the correct API route with the correct payload', async () => {
nock(BASE_URL)
.get('/trainings')
.reply(200, {
next: 'https://api.replicate.com/v1/trainings?cursor=cD0yMDIyLTAxLTIxKzIzJTNBMTglM0EyNC41MzAzNTclMkIwMCUzQTAw',
previous: null,
results: [
{
id: 'jpzd7hm5gfcapbfyt4mqytarku',
version:
'b21cbe271e65c1718f2999b038c18b45e21e4fba961181fbfae9342fc53b9e05',
urls: {
get: 'https://api.replicate.com/v1/trainings/jpzd7hm5gfcapbfyt4mqytarku',
cancel:
'https://api.replicate.com/v1/trainings/jpzd7hm5gfcapbfyt4mqytarku/cancel',
},
created_at: '2022-04-26T20:00:40.658234Z',
started_at: '2022-04-26T20:00:84.583803Z',
completed_at: '2022-04-26T20:02:27.648305Z',
source: 'web',
status: 'succeeded',
},
],
});
const trainings = await client.trainings.list();
expect(trainings.results.length).toBe(1);
expect(trainings.results[ 0 ].id).toBe('jpzd7hm5gfcapbfyt4mqytarku');
});
test('Paginates results', async () => {
nock(BASE_URL)
.get('/trainings')
.reply(200, {
results: [ { id: 'ufawqhfynnddngldkgtslldrkq' } ],
next: 'https://api.replicate.com/v1/trainings?cursor=cD0yMDIyLTAxLTIxKzIzJTNBMTglM0EyNC41MzAzNTclMkIwMCUzQTAw',
})
.get(
'/trainings?cursor=cD0yMDIyLTAxLTIxKzIzJTNBMTglM0EyNC41MzAzNTclMkIwMCUzQTAw'
)
.reply(200, {
results: [ { id: 'rrr4z55ocneqzikepnug6xezpe' } ],
next: null,
});
const results: Prediction[] = [];
for await (const batch of client.paginate(client.trainings.list)) {
results.push(...batch);
}
expect(results).toEqual([
{ id: 'ufawqhfynnddngldkgtslldrkq' },
{ id: 'rrr4z55ocneqzikepnug6xezpe' },
]);
// Add more tests for error handling, edge cases, etc.
});
});
describe('deployments.predictions.create', () => {
test('Calls the correct API route with the correct payload', async () => {
nock(BASE_URL)
.post('/deployments/replicate/greeter/predictions')
.reply(200, {
id: 'mfrgcyzzme2wkmbwgzrgmntcg',
version:
'5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
urls: {
get: 'https://api.replicate.com/v1/predictions/ufawqhfynnddngldkgtslldrkq',
cancel:
'https://api.replicate.com/v1/predictions/ufawqhfynnddngldkgtslldrkq/cancel',
},
created_at: '2022-09-10T09:44:22.165836Z',
started_at: null,
completed_at: null,
status: 'starting',
input: {
text: 'Alice',
},
output: null,
error: null,
logs: null,
metrics: {},
});
const prediction = await client.deployments.predictions.create("replicate", "greeter", {
input: {
text: 'Alice',
},
webhook: 'http://test.host/webhook',
webhook_events_filter: [ 'output', 'completed' ],
});
expect(prediction.id).toBe('mfrgcyzzme2wkmbwgzrgmntcg');
});
// Add more tests for error handling, edge cases, etc.
});
describe('run', () => {
test('Calls the correct API routes', async () => {
let firstPollingRequest = true;
nock(BASE_URL)
.post('/predictions')
.reply(201, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'starting',
})
.get('/predictions/ufawqhfynnddngldkgtslldrkq')
.twice()
.reply(200, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'processing',
})
.get('/predictions/ufawqhfynnddngldkgtslldrkq')
.reply(200, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'succeeded',
output: 'Goodbye!',
});
const progress = jest.fn();
const output = await client.run(
'owner/model:5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
{
input: { text: 'Hello, world!' },
wait: { interval: 1 }
},
progress
);
expect(output).toBe('Goodbye!');
expect(progress).toHaveBeenNthCalledWith(1, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'starting',
});
expect(progress).toHaveBeenNthCalledWith(2, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'processing',
});
expect(progress).toHaveBeenNthCalledWith(3, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'processing',
});
expect(progress).toHaveBeenNthCalledWith(4, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'succeeded',
output: 'Goodbye!',
});
expect(progress).toHaveBeenCalledTimes(4);
});
test('Does not throw an error for identifier containing hyphen and full stop', async () => {
nock(BASE_URL)
.post('/predictions')
.reply(200, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'processing',
})
.get('/predictions/ufawqhfynnddngldkgtslldrkq')
.reply(200, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'succeeded',
output: 'foobar',
});
await expect(client.run('a/b-1.0:abc123', { input: { text: 'Hello, world!' } })).resolves.not.toThrow();
});
test('Throws an error for invalid identifiers', async () => {
const options = { input: { text: 'Hello, world!' } }
await expect(client.run('owner/model:invalid', options)).rejects.toThrow();
// @ts-expect-error
await expect(client.run('owner:abc123', options)).rejects.toThrow();
await expect(client.run('/model:abc123', options)).rejects.toThrow();
// @ts-expect-error
await expect(client.run(':abc123', options)).rejects.toThrow();
});
test('Throws an error if webhook URL is invalid', async () => {
await expect(async () => {
await client.run(
'owner/model:5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa', {
input: {
text: 'Alice',
},
webhook: 'invalid-url',
});
}).rejects.toThrow('Invalid webhook URL');
});
test('Aborts the operation when abort signal is invoked', async () => {
const controller = new AbortController();
const { signal } = controller;
const scope = nock(BASE_URL)
.post('/predictions', (body) => {
controller.abort();
return body;
})
.reply(201, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'processing',
})
.persist()
.get('/predictions/ufawqhfynnddngldkgtslldrkq')
.reply(200, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'processing',
})
.post('/predictions/ufawqhfynnddngldkgtslldrkq/cancel')
.reply(200, {
id: 'ufawqhfynnddngldkgtslldrkq',
status: 'canceled',
});;
await client.run(
'owner/model:5c7d5dc6dd8bf75c1acaa8565735e7986bc5b66206b55cca93cb72c9bf15ccaa',
{
input: { text: 'Hello, world!' },
signal,
}
)
expect(signal.aborted).toBe(true);
scope.done();
});
});
// Continue with tests for other methods
});
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